@ARTICLE {30188,
author={Y.  Al-Yasir and N.  Parchin and Y. Tu and a Abdulkhaleq and I. Elfergani and J. Rodriguez and R.A.A.Abd Abd-Alhameed},
doi={10.3390/s20164538},
journal={Sensors},
title={A Varactor-Based Very Compact Tunable Filter with Wide Tuning Range for 4G and Sub-6 GHz 5G Communications},
year={2020},
month={August},
volume={20},
number={16},
pages={4538-4538},
ISSN={}
}